package Model;
import java.util.ArrayList;
import java.util.List;

public class System {

	private static System istance = null;
	private List<Car> cars = new ArrayList<Car>();
	
	private System() {
	}

	
	public static synchronized System getState() {
		if (istance == null)
			istance = new System();
		return istance;
	}
	
	public List<Car> getCars() {
		return cars;
	}
}
